package com.heima.behavior.service.impl;
import java.util.Date;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApCollectionBehaviorService;
import com.heima.common.article.HotArticleConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.CollectionBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

/**
 * 收藏 取消收藏
 * @param dto
 * @return
 */
@Service
@Slf4j
public class ApCollectionBehaviorServiceImpl implements ApCollectionBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    RabbitTemplate rabbitTemplate;
    @Override
    public ResponseResult collectBehavior(CollectionBehaviorDTO dto) {
        //校验参数 需要登录 文章id不能null  操作类型 0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null){
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //根据userId查询行为实体数据
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        //如果是收藏操作 判断是否已经收藏
        Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
        if (dto.getOperation() == 0){
            //如果未收藏 新增收藏行为
            if (apCollection == null){
                ApCollection collection = new ApCollection();
                collection.setEntryId(behaviorEntry.getId());
                collection.setArticleId(dto.getArticleId());
                collection.setCreatedTime(new Date());
                mongoTemplate.insert(collection);
            }
        }else {
            //如果是取消收藏操作  删除收藏行为
            mongoTemplate.remove(query,ApCollection.class);
        }
        //发送收藏行为消息，用于修改文章行为汇总数量，更改文章热度
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.COLLECTION);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation()==0?1:-1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("收藏行为 发送消息 ==>{}",JSON.toJSONString(mess));

        return ResponseResult.okResult();
    }
}
